package tulingxueyuan117;

/**
 * Author: Zhang Dongwei
 * Date: 2022/10/23 14:17
 */
public class ListNode {
    int val;
    ListNode next;
    ListNode() {}
    ListNode(int val) {
        this.val = val;
    }
    ListNode(int val, ListNode next) {
        this.val = val;
        this.next = next;
    }
}
